Lennox International Inc SL28003, XP2101, XC2105 Setting up typical systemsT PUMP DUAL FUEL, Tips

Page 67
Setting up typical systemsT PUMP (DUAL FUEL)

Setting up typical systemsT PUMP (DUAL FUEL)

icomfortt−enabled Furnace & icomfortt−enabled HP unit (Dual fuel)

Dual fuel system using an icomfort−enabled gas furnace (G71MPP, EL296V, SLP98, SL280) with an icomfort−enabled heat pump (XP17 or XP21 only).

1. Wiring Communicating System Wiring diagram on Page 59

and Optional Accessories Wiring (Page 61) for any accessories be- ing installed with the system.

D4−conductor thermostat wire from the icomfort Wi-Fit thermostat to the gas furnace (R, i+, i−, C)

D4−conductor thermostat wire from the furnace terminal strip to the icomfort−enabled HP (R, i+, i−, C)

DWiring as required for accessories

2.DO NOT cut any option link on furnace control.

3.After the entire system is wired, power up the system; the icomfort Wi- Fit thermostat will check the system for installed communication de- vices.

4.On the thermostat, go past the

vices" to the o adjust a setting" screen. Select from the de- vice list using the up/down arrows and press the edit button

5. Select Balance Point Control and press edit. Use the down arrow to

selectsave. High and Low Balance Points will ap- pear in red.

6.Complete Balance Point Control by editing the High and Low Balance Points. It is not necessary to change the defaults, but you must save each setting. The red settings will go away after pressing save. Press the back button to return to the adjust screen.

7.Use the arrows to select

edit. From this Furnace screen you will have access to the various air- flow settings. Set the system air volumes according the needs of the home. When you change certain settings, the system will prompt you to

red settings and press edit. Either make changes or not, but press save either way. The red settings will go away after pressing save.

When all CFM settings are complete, press the back button. Press next step to advance to the tests button.

8.Test the system operation and confirm the HP unit is electrically ener- gized and operational. Press done.

9.Exit the installer setup mode by selecting the EXIT button.

TIPS

SHigh & Low Balance points are enabled and adjusted under the install-

er section of the thermostat. In the equipment button select

and press edit. Scroll down to Point Control" and press edit and select Enabled and then save.

SAn outdoor temperature sensor is provided in an icomfort−enabled heat pump unit. To display the outdoor temperature on the home screen of the thermostat, you must turn on (or off) the emp Display".

From the Home screen, press press for more area and select the HELP icon. Press the user preferences box and scroll down to door Temp Display". Press the modify button and use the up/down ar- rows to select On (or Off) and then press the save button. Press done to return to the Home screen.

STurn the Indoor Humidity Display on and off in a similar manner as above.

SGas heat is not provided to temper the air during defrost cycles.

icomfortt−enabled Furnace & non−communicating HP unit (Dual fuel)

NOTE − DO NOT use a conventional non−communicating heat pump unit in an icomfort dual fuel system.

TIPS

SA conventional thermostat capable of controlling a dual fuel system, like the ComfortSense® 7000, must be selected for this type of applica- tion.

Page 67

icomfort Wi-Fit 7−Day Programmable Communicating Thermostat

Page 66 Page 68
Image 67
Page 66 Page 68
Contents CONTROLS INSTALLER’S SYSTEM SETUP GUIDEicomfortt−Enabled Units 2P0912**P506920-01Table of Contents Setting up typical icomfortt systemsPage Outdoor Temperature Sensor option SupportsFigure 1. icomfort by Lennoxt system Installation and Setup Figure 4. Entering Change settingsFigure 3. Settings change tools Dealer NumberTable 1. System setting defaults and range Circulate fan ON time settingFigure 6. Set current time and date Set time and date09 39 am Figure 5. View/edit time and dateFigure 7. Using the HUMIDITY CONTROL TIPS Add or Remove Non−communicating equipmentSystem Add Non−Communicating Outdoor unitFigure 8. Add non−communicating device red settingsHumidifier 5a 5bFigure 9. Add or remove non−communicating device SystemDehumidifier Figure 10. Add or remove non−communicating deviceSystem DehumidifierFigure 11. Adjust communicating device screens Adjust a setting screen communicating devicesFigure 13. Modify device settings Figure 12. Accessing device to modifyG71MPP or SLP98 Furnace Note Figure 14. Adjust a non−communicating device setting Figure 15. Adjust a non−communicating device setting Figure 16. Adjust dehumidification when not using Humiditrol or an auxiliary dehumidifier HUMIDIFICATION modes Humidification and Dehumidification ModesDEHUMIDIFICATION modes Figure 19. Typical tests results screens Use the Tests / Diagnostics featuresFigure 17. Start testing screen Figure 18. Select tests to run screenFigure 21. Equipment parameters screen Equipment, Alerts, DiagnosticsSet up Equipment parameters Figure 20. Testing finished screenFigure 22. Edit equipment details Run DiagnosticsView and clear Installer Alerts Figure 23. Select device and run diagnosticsFigure 26. Cleared alerts screen Figure 25. Cleared alert confirmationView cleared alerts Figure 24. Selecting and viewing alertsHERE Figure 27. Wi−Fi setupSecure Connection Recommended STARTRegistration for online access Registering the icomfort Wi-FitthermostatFigure 28. Change Networks Figure 30. icomfort Wi-FitRegistration screen Wi-FitTher Welcome homeHow Do I Upload a Skin? Figure 31. PC Welcome Screenyes no Access installer program from Home screenFigure 34. Re−configuration process Reconfigure a system2nd Stage Differential where applicable2 Rules for SSR Smooth Setback Recovery SSRHigh Balance Point Heat Pump, Dual Fuel and Balance PointsHeat Pump Balance Points Low Balance PointShut down HP Gas Heat Control Mode Figure 36. Variable Capacity Operation Flow ChartTable 2. Variable Capacity Furnace Operation Staged operationLoad−tracking Variable Capacity FAQs SLP98V only Installer entry Table 3. Adjustable Parameters Table InstallerLock in 2nd stage HP by Outdoor Temp Table 3. Adjustable Parameters Table InstallerAIR HANDLER Table 3. Adjustable Parameters Table InstallerTable 3. Adjustable Parameters Table Installer Gas Heat Airflow SettingsFURNACE Heat Pump Airflow Settings Cooling Airflow SettingsTable 3. Adjustable Parameters Table Installer Table 3. Adjustable Parameters Table Installer Other ParametersTable 4. Adjustable Parameters Table User Filter 1 Timer Table 5. Alert Codes and Troubleshooting Alert Table 5. Alert Codes and TroubleshootingAlert Table 5. Alert Codes and TroubleshootingAlert Table 5. Alert Codes and TroubleshootingAlert Table 5. Alert Codes and TroubleshootingAlert Table 5. Alert Codes and TroubleshootingAlert Table 5. Alert Codes and TroubleshootingAlert Table 5. Alert Codes and TroubleshootingAlert Table 5. Alert Codes and TroubleshootingTable 5. Alert Codes and Troubleshooting Homeowner Service Alert Codes8Corrective Action / Comments Table 6. Troubleshooting TipsIssue / Problem Possible CauseHigh Balance Point and Low Bal Table 6. Troubleshooting TipsDetermine the actual Software ver Table 6. Troubleshooting TipsDuring the cooling mode the dis Table 6. Troubleshooting Tipsicomfortt Communicating System Wiring Wiring Diagramsicomfort by Lennoxt AIR HANDLER AHC Wiring Diagramsfor use with any icomfort by Lennoxt system Optional Accessories Wiringfor use with any icomfort by Lennoxt system Optional Accessories WiringLVCS Ventilation Control System attached to the PUSHBUTTON TIPS Setting up typical systemsTIPS TIPS Setting up typical systemsT PUMP DUAL FUELTIPS TIPS Setting up typical systemsTIPS TIPS Setting up typical systemsT PUMP UNITSTIPS Replacement Kit Catalog No Table 7. Replacement ControlsREVISION HISTORY icomfortt−Enabled Unit
Top Page Image Contents